Yee has over ten years of planning experience gained from working in Local Planning Authorities and private consultancy. Her role in local government saw her deal with a considerable variety of planning applications such as residential development, retail, heritage, change of use, Lawful Development Certificates, advertisements, and appeals. Prior to local government, Yee has worked in private consultancy, responsible for dealing with a wide-ranging case load submitting planning applications to various Local Planning Authorities, discharging of planning conditions, and appeals.